What is Topography? The Definitive Guide
Topography lays the underlying foundation of the Earth’s surface. In this comprehensive guide, you’ll learn everything about topography and topographic maps.
Data Sources
What is Geodata? A Guide to Geospatial Data
Geodata is location data stored in a Geographic Information System (GIS). By using geographic data, we better tackle problems that require spatial thinking.
5 Free Historical Imagery Viewers to Leap Back in the Past
When you want historical imagery, the best web viewers are Google Earth, Esri’s Wayback Living Atlas, USGS LandLook, NASA Worldview and Planet’s Stories.
Mapping the Ocean Floor: Water Bathymetry Data
Have you ever wanted to look deep into the ocean and see its topography? Turns out, you actually can with this list of ocean bathymetry data.
NASA Earth Observatory: Global Environment and Climate Data
Since 1999, NASA Earth Observatory has kept a close eye on the environment (fires, atmospheric gases, land use) and global climate change.
OpenStreetMap Data: How to Download Crowd-Sourced OSM Data
OpenStreetMap is like the Wikipedia of maps. As open is its key philosophy, this is also true for OSM data. Here’s how to download OpenStreetMap data.
Planet Labs Imagery: The Entire Earth, Everyday
Planet Labs (or simply Planet) started with one main idea: To capture our dynamic Earth… Every day. using an ultra-compact, inexpensive CubeSAT satellite.
How to Download USGS Topo Maps for Free
If you’re looking for topographic maps (contours, place names & hydrography) for the United States, the first place to look is the USGS topo maps series.
Esri Tapestry Segmentation: Who & Where Your Customers Are
Esri’s tapestry segmentation data provides insights on lifestyle choices made by customers helping you make more informative business decisions.
10 Best Free Land Cover/Land Use Data
Over the span of your life, how much has the Earth changed? Quite a bit, but you probably just can’t put a number to it. You actually CAN with land cover.